HardenedBSD/eBones/krb/dest_tkt.c
Geoff Rehmet 60643d379b Initial import of eBones.
(Including all changes for FreeBSD - importing the original eBones distribution
would be too complex at this stage, since I don't have access to Piero's 
CVS.)
(If you want to include eBones in your system, don't forget to include
MAKE_EBONES in /etc/make.conf.)
(This stuff is now also suppable from braae.ru.ac.za.)

Bones originally from MIT SIPB.
Original port to FreeBSD 1.x  by Piero Serini.
Moved to FreeBSD 2.0 by Doug Rabson and Geoff Rehmet.
Nice bug fixes from Doug Rabson.
1994-09-30 14:50:09 +00:00

88 lines
1.8 KiB
C

/*
* Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
* of Technology.
* For copying and distribution information, please see the file
* <Copyright.MIT>.
*
* from: dest_tkt.c,v 4.9 89/10/02 16:23:07 jtkohl Exp $
* $Id: dest_tkt.c,v 1.2 1994/07/19 19:25:07 g89r4222 Exp $
*/
#ifndef lint
static char *rcsid =
"$Id: dest_tkt.c,v 1.2 1994/07/19 19:25:07 g89r4222 Exp $";
#endif /* lint */
#include <stdio.h>
#include <krb.h>
#include <sys/file.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef TKT_SHMEM
#include <sys/param.h>
#endif
#include <errno.h>
/*
* dest_tkt() is used to destroy the ticket store upon logout.
* If the ticket file does not exist, dest_tkt() returns RET_TKFIL.
* Otherwise the function returns RET_OK on success, KFAILURE on
* failure.
*
* The ticket file (TKT_FILE) is defined in "krb.h".
*/
dest_tkt()
{
char *file = TKT_FILE;
int i,fd;
extern int errno;
struct stat statb;
char buf[BUFSIZ];
#ifdef TKT_SHMEM
char shmidname[MAXPATHLEN];
#endif /* TKT_SHMEM */
errno = 0;
if (lstat(file,&statb) < 0)
goto out;
if (!(statb.st_mode & S_IFREG)
#ifdef notdef
|| statb.st_mode & 077
#endif
)
goto out;
if ((fd = open(file, O_RDWR, 0)) < 0)
goto out;
bzero(buf, BUFSIZ);
for (i = 0; i < statb.st_size; i += BUFSIZ)
if (write(fd, buf, BUFSIZ) != BUFSIZ) {
(void) fsync(fd);
(void) close(fd);
goto out;
}
(void) fsync(fd);
(void) close(fd);
(void) unlink(file);
out:
if (errno == ENOENT) return RET_TKFIL;
else if (errno != 0) return KFAILURE;
#ifdef TKT_SHMEM
/*
* handle the shared memory case
*/
(void) strcpy(shmidname, file);
(void) strcat(shmidname, ".shm");
if ((i = krb_shm_dest(shmidname)) != KSUCCESS)
return(i);
#endif /* TKT_SHMEM */
return(KSUCCESS);
}